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Mechanical Engineer 4 - Tysons, VA

M. C. Dean

Tysons, VAJob$125–188K/yrSeen todaySeen in employer's feed today

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At a glance

Compensation
$125–188K/yr
Location
Tysons, VA
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Top Secret clearanceBachelor's degree

Job overview

M.C. Dean seeks a Mechanical Engineer to lead and support mechanical systems design, bidding, and project execution in facilities operations and maintenance. The role covers HVAC, piping, plumbing, and related infrastructure, from design and procurement through construction oversight and ongoing facilities support. Applicants must be able to obtain a Top-Secret clearance; a PE license is preferred or in progress.

Skills & qualifications

RequiredNice to have

Skills

Mechanical DesignProject ExecutionFacilities EngineeringHVACPlumbingMechanical SystemsConstruction ManagementAutoCADRevitMS ProjectCarrier HAPTrane TraceASHRAE StandardsIBCLocal Building CodesCommunicationCoordinationDocumentationGovernment FacilitiesCommercial FacilitiesHealthcare FacilitiesMission-Critical FacilitiesSubcontractor ManagementVendor ManagementEnergy EfficiencyCommissioningSustainability Practices

Qualifications

Bachelor's in Mechanical Engineering or Related Engineering Discipline7+ Years Progressive Experience5+ Years Relevant ExperiencePE LicenseAbility to Obtain Top-Secret ClearanceU.S. Citizenship

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
Paid Time Off
Tuition Assistance
401(k) Match
Parental Leave

Full job description

Overview

M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most recognizable mission critical facilities, secure environments, complex infrastructure, and global enterprises. The company’s capabilities include electrical, electronic security, telecommunications, life safety, automation and controls, audio visual, and IT systems. M.C. Dean is headquartered in Tysons, Virginia, and employs more than 9,000 professionals who engineer and deploy automated, secure, and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability.

Why join M.C. Dean? Our people are inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust.

Clearance Requirement: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; Ability to obtain a Top-Secret clearance required.

We are seeking a skilled Mechanical Engineer to lead and support design, bid, and execution of mechanical systems work within a facilities operations and maintenance environment. This role requires technical expertise, field coordination, and project ownership from concept through completion.

Responsibilities

  • Design Work:

  • Develop and review mechanical system designs (HVAC, piping, plumbing, and related infrastructure)

  • Perform load calculations, equipment sizing, and system layouts using AutoCAD/Revit and relevant software

  • Ensure all designs comply with applicable codes, standards, and sustainability goals

  • Bid Work:

  • Create scopes of work, technical specifications, and detailed bid packages

  • Evaluate contractor proposals and assist with bid selection and procurement strategy

  • Participate in pre-bid meetings and respond to RFIs as needed

  • Run Work (Execution & Oversight):

  • Provide technical oversight during construction, repair, or retrofit projects

  • Coordinate closely with contractors, field technicians, and stakeholders

  • Perform site inspections, submittal reviews, punch lists, and ensure project quality and compliance

  • Monitor schedules and budgets, resolving issues to maintain project delivery standards

  • Facilities Support:

  • Provide engineering support for ongoing operations, preventive maintenance planning, and system troubleshooting

  • Collaborate with facilities managers and maintenance teams to identify system upgrades or lifecycle replacements

  • Maintain as-built documentation and contribute to asset management systems

Qualifications

  • Bachelor’s degree in mechanical engineering, or a related engineering discipline

  • 7+ years of progressive experience in mechanical design, project execution, or facilities engineering

  • 5+ years of experience in mechanical design, project execution, or facilities engineering

  • Proficiency in HVAC, plumbing, mechanical systems, and construction management

  • Experience with AutoCAD, Revit, MS Project, and engineering software (e.g., Carrier HAP, Trane Trace)

  • Familiarity with ASHRAE standards, IBC, and local building codes

  • Strong communication, coordination, and documentation skills

  • PE license preferred or in progress (optional but desirable)

Desired / Advantageous Qualifications:

  • Work within government, commercial, healthcare, or mission-critical facilities

  • Experience managing subcontractors and vendors

  • Understanding of energy efficiency, commissioning, and sustainability practices

Clearance Requirement: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; Ability to obtain a Top-Secret clearance required.

We offer an excellent benefits package including:

  • A competitive salary

  • Medical, dental, vision, life, and disability insurance

  • Paid time off

  • Tuition reimbursement

  • 401k Retirement Plan

  • Military Reserve pay offset

  • Paid maternity leave

Abilities:

  • Exposure to computer screens for an extended period of time.

  • Sitting for extended periods of time.

  • Reach by extending hands or arms in any direction.

  • Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.

  • Listen to and understand information and ideas presented through spoken words and sentences.

  • Communicate information and ideas in speaking so others will understand.

  • Read and understand information and ideas presented in writing.

  • Apply general rules to specific problems to produce answers that make sense.

  • Identify and understand the speech of another person.

Pay Range

USD $125,120.00 - USD $187,680.00 /Yr.

How this job compares

Set against the 7,504 open Mechanical Engineer jobs on Olive Jobs, counted October 27, 2026.

Pay
  • This posting$125–188K/yr
  • Virginia median$100–155K/yr183 salary ranges
  • US median$106–160K/yr4,470 salary ranges

This range's midpoint, $156K, is 24% above the Virginia median midpoint ($126K) — in the top quarter of Mechanical Engineer salary ranges in Virginia.

Openings
Olive Jobs lists 231 open Mechanical Engineer jobs in Virginia and 7,504 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in Virginia
Experience
This posting asks for at least 7 years of experience; Mechanical Engineer postings that state a minimum ask for 5 years at the median (6,196 postings).
Education
This posting asks for a bachelor's degree; 5,298 of the 7,504 open Mechanical Engineer jobs (71%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 27, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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